The present invention is concerned with compounds of formula
the N-oxides, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein X represents O, S or NR
3
; R
1
represents hydrogen, hydroxy, C
1-6
alkyl or aryl; R
2
represents hydrogen; optionally substituted C
1-2
alkyl; C
3-7
cycloalkyl; C
2-8
alkenyl; aryl; Het
1
; or R
1
and R
2
taken together may form a bivalent radical of formula —(CH
2
)
n
— wherein n is 2, 3, 4, 5 or 6; R
3
represents hydrogen, optionally substituted C
1-6
alkyl, aryl, Het
1
; R
4
represents hydrogen; hydroxy; mercapto; C
1-6
alkyloxy; C
1-6
alkylthio; aryloxy; arylthio; Het
1
-oxy; Het
1
-thio; optionally substituted C
1-12
alkyl; optionally substituted C
2-8
alkenyl; optionally substituted C
2-8
alkynyl; optionally substituted C
3-7
cycloalkyl; optionally substituted C
5-7
cycloalkenyl; aryl; Het
1
; or -Alk-NR
3
R
5
(i) or —NR
3
R
5
(ii) wherein Alk represents C
1-6
alkanediyl; and R
5
represents hydrogen, C
1-6
alkyl, aryl, Het
1
, (aryl or Het
1
)C
1-6
alkyl, (aryl or Het
1
)carbonyl or (aryl or Het
1
)C
1-6
alkyloxycarbonyl; aryl represents optionally substituted indanyl, indenyl, naphtyl, 5,6,7,8-tetrahydro-2-naphtalenyl or phenyl; Het represents an optionally substituted unsaturated heterocycle; and Het
1
represents an optionally substituted monocyclic or bicyclic heterocycle; having retinoic mimetic activity; their preparation, compositions containing them and their use as a medicine.
本发明涉及化合物的公式,其N-氧化物,药学上可接受的加成盐和立体
化学异构体形式,其中X表示O、S或NR3; R1表示氢、羟基、C1-6烷基或芳基; R2表示氢; 可选的取代C1-2烷基; C3-7环烷基; C2-8烯基; 芳基; Het1; 或R1和R2在一起可以形成公式—(
CH2)n—的双价基团,其中n为2、3、4、5或6; R3表示氢、可选的取代C1-6烷基、芳基、Het1; R4表示氢、羟基、巯基、C1-6烷氧基、C1-6烷基
硫基、芳氧基、芳基
硫基、Het1-氧基、Het1-
硫基、可选的取代C1-12烷基、可选的取代C2-8烯基、可选的取代C2-8炔基、可选的取代C3-7环烷基、可选的取代C5-7环烯基、芳基、Het1; 或-Alk-NR3R5(i)或—NR3R5(ii),其中Alk表示C1-6烷二基; R5表示氢、C1-6烷基、芳基、Het1、(芳基或Het1)C1-6烷基、(芳基或Het1)羰基或(芳基或Het1)C1-6烷氧羰基; 芳基表示可选的取代
吲哚基、
吲哚基、
萘基、5,6,7,8-四氢-2-
萘基或苯基; Het表示可选的取代不饱和杂环; Het1表示可选的取代的单环或双环杂环; 具有类
视黄酸的类似作用; 它们的制备、含有它们的组合物和它们作为药物的用途。